" There is a new wave of interest in exploring how to frame choices so that people make better decisions. Richard Thaler and Cass Sunstein, professors of economics and law, respectively, teamed up to write Nudge: Improving Decisions About Health, Wealth, and Happiness, which advocates using defaults to nudge us to make better choices.9 Even when we are choosing in our own interests, we often choose unwisely. When employees have the option of participating in a retirement-savings scheme, many do not, despite the financial advantages of doing so. If their employer instead automatically enrolls them, giving them the choice of opting out, participation jumps dramatically "

― Peter Singer , The Life You Can Save: How to Do Your Part to End World Poverty